Based on this product's specifications, here are some alternatives and similar models
Single-use battery Ansmann 9V Lithium
Summary description:
The Ansmann 9V Lithium single-use battery offers reliable power with a prismatic form factor. Measuring 26.5 mm in width, 17.5 mm in depth, and 48.5 mm in height, it is designed for various devices requiring 9V batteries. Packaged in a blister, it ensures easy handling and storage. Ideal for applications where long-lasting energy is needed.